6666575666154 has 8 divisors (see below), whose sum is σ = 13333151332320. Its totient is φ = 2222191888716.

The previous prime is 6666575666083. The next prime is 6666575666237. The reversal of 6666575666154 is 4516665756666.

It is a sphenic number, since it is the product of 3 distinct primes.

6666575666154 is an admirable number.

It is a super-2 number, since 2×6666575666154² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555547972174 + ... + 555547972185.

It is an arithmetic number, because the mean of its divisors is an integer number (1666643916540).

Almost surely, 2^{6666575666154} is an apocalyptic number.

6666575666154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6666575666154 is a wasteful number, since it uses less digits than its factorization.

6666575666154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111095944364.

The product of its digits is 979776000, while the sum is 69.

The spelling of 6666575666154 in words is "six trillion, six hundred sixty-six billion, five hundred seventy-five million, six hundred sixty-six thousand, one hundred fifty-four".